home *** CD-ROM | disk | FTP | other *** search
- /* filesys.h -- External declarations of functions and vars in filesys.c. */
-
- /* This file is part of GNU Info, a program for reading online documentation
- stored in Info format.
-
- Copyright (C) 1993 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- Written by Brian Fox (bfox@ai.mit.edu). */
-
- #if !defined (_FILESYS_H_)
- #define _FILESYS_H_
-
- /* The path on which we look for info files. You can initialize this
- from the environment variable INFOPATH if there is one, or you can
- call info_add_path () to add paths to the beginning or end of it. */
- extern char *infopath;
-
- /* Make INFOPATH have absolutely nothing in it. */
- extern void zap_infopath ();
-
- /* Add PATH to the list of paths found in INFOPATH. 2nd argument says
- whether to put PATH at the front or end of INFOPATH. */
- extern void info_add_path ();
-
- /* Defines that are passed along with the pathname to info_add_path (). */
- #define INFOPATH_PREPEND 0
- #define INFOPATH_APPEND 1
-
- /* Expand the filename in PARTIAL to make a real name for this operating
- system. This looks in INFO_PATHS in order to find the correct file.
- If it can't find the file, it returns NULL. */
- extern char *info_find_fullpath ();
-
- /* Read the contents of PATHNAME, returning a buffer with the contents of
- that file in it, and returning the size of that buffer in FILESIZE.
- FINFO is a stat struct which has already been filled in by the caller.
- If the file cannot be read, return a NULL pointer. */
- extern char *filesys_read_info_file ();
- extern char *filesys_read_compressed ();
-
- /* Return the command string that would be used to decompress FILENAME. */
- extern char *filesys_decompressor_for_file ();
- extern int compressed_filename_p ();
-
- /* A function which returns a pointer to a static buffer containing
- an error message for FILENAME and ERROR_NUM. */
- extern char *filesys_error_string ();
-
- /* The number of the most recent file system error. */
- extern int filesys_error_number;
-
- /* Given a string containing units of information separated by colons,
- return the next one pointed to by IDX, or NULL if there are no more.
- Advance IDX to the character after the colon. */
- extern char *extract_colon_unit ();
-
- /* The default value of INFOPATH. */
- #if !defined (DEFAULT_INFOPATH)
- # define DEFAULT_INFOPATH "/gnu/info:/local/info:/gnu/lib/emacs/info:/local/lib/emacs/info:."
- #endif /* !DEFAULT_INFOPATH */
-
- #if !defined (S_ISREG) && defined (S_IFREG)
- # define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
- #endif /* !S_ISREG && S_IFREG */
-
- #if !defined (S_ISDIR) && defined (S_IFDIR)
- # define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
- #endif /* !S_ISDIR && S_IFDIR */
-
- #endif /* !_FILESYS_H_ */
-